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Invidia 08-14 Subaru WRX / 08-21 STI Downpipe High Flow Cat | HS08SW1DOCB
Regular price $1,224.00Regular priceUnit price per$1,749.00Sale price $1,224.00Sale -
Cobb 08-14 WRX/ 08-21 STI Redline Carbon Fiber Alternator Cover Gloss Finish | 422600
Regular price $283.00Regular priceUnit price per$283.00Sale price $283.00 -
GetaDomTune 04-21 STI/ 02-14 WRXCylinder 4 Chamber Cooling System w/Metal Fitting | CYL4COOL-SS
Regular price $153.00Regular priceUnit price per$153.00Sale price $153.00 -
PLM Power Driven Subaru EWG Up Pipe with Dump Tube 44mm | PLM-SUB-UP-PIPE-EWG-44MM
Regular price $599.00Regular priceUnit price per$599.00Sale price $599.00 -
Invidia Stock Downpipe to 3in Exhaust Adapter - Universal | HS02SWIAPE
Regular price $84.00Regular priceUnit price per$120.00Sale price $84.00Sale -
Grimmspeed Fender Shroud - Red Subaru WRX/STI 15-21 | 096048
Regular price $153.00Regular priceUnit price per$153.00Sale price $153.00 -
GrimmSpeed 02-07 WRX / 04-21 STI Blow Off Valve Flange Gasket | 020023
Regular price $23.00Regular priceUnit price per$23.00Sale price $23.00 -
HKS 08-21 Subaru STI Super SQV4 Blow Off Valve | 71008-AF013
Regular price $576.00Regular priceUnit price per$678.00Sale price $576.00Sale -
Perrin 02-07 WRX / 04-21 STI Recirculating Blow off Valve Red | PSP-TAC-600RD
Regular price $263.00Regular priceUnit price per$455.00Sale price $263.00Sale -
AWE 11-21 Subaru WRX/STI Sedan Track Cat Back Exhaust Diamond Black Quad Tips 102mm | 3020-43066
Regular price $2,049.00Regular priceUnit price per$2,157.00Sale price $2,049.00Sale -
Grimmspeed 3in Downpipe Adapter - AFTERMARKET DP>OEM SUBARU CATBACK | 077044
Regular price $98.00Regular priceUnit price per$98.00Sale price $98.00 -
Invidia 15-21 Subaru WRX/STI Gemini R400 Signature Series Black Tip Quad Tip Exhaust | HS15STIGM4SB
Regular price $2,292.00Regular priceUnit price per$3,275.00Sale price $2,292.00Sale -
SubiSpeed 15-21 Subaru WRX/STI Exhaust Hole Delete | Cover for Single Exit Systems |SBSSS-15WRX-EXHCVR
Regular price $129.00Regular priceUnit price per$129.00Sale price $129.00 -
Perrin 08-21 STI Boost Solenoid Cover Red | PSP-ENG-161
Regular price $72.00Regular priceUnit price per$108.00Sale price $72.00Sale -
HKS 08-21 STI Super SQV4 Blow Off Valve Black Edition w/ Suction Return Kit | 71008-KF013VB
Regular price $508.00Regular priceUnit price per$597.00Sale price $508.00Sale -
GrimmSpeed WRX 02-14 / 04-21 STI / 05-12 LGT / 04-13 FXT Version 2 Turbo Heat Shield
Regular price From $136.00Regular priceUnit price per$136.00Sale price From $136.00
Optimize your Subaru STI 2015-2021 engine's performance with a comprehensive range of top-quality aftermarket parts from industry-leading brands. Elevate the power and efficiency of your vehicle with ETS, HKS, Perrin, Mishimoto, AMS, Grimmspeed, Cobb, Remark, PLM, Turbosmart, IAG Performance, and more. Enhance airflow and filtration through AIR INTAKE DUCTS and COLD AIR INTAKES, while maintaining engine cleanliness with AIR OIL SEPARATORS and CATCH CANS. Experience impeccable control and responsiveness with BLOW OFF VALVES and BOOST CONTROL SOLENOID COVERS, complemented by the reliability of ENGINE MOUNTS and meticulously crafted ENGINE MANAGEMENT HARNESSES. Simplify maintenance and improve overall performance with DIPSTICKS and explore comprehensive ENGINE PACKAGE DEALS for a holistic approach to upgrading your Subaru WRX's engine. Unleash the full potential of your vehicle through precision-engineered components designed to deliver both power and durability, all meticulously designed to give your Subaru STI the edge on the road or track.